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1087268650 = 252132372727
BaseRepresentation
bin100000011001110…
…0110011100101010
32210202212222012021
41000303212130222
54211320044100
6255515535054
735641426306
oct10063463452
92722788167
101087268650
1150880a036
1226415a48a
13144343b40
14a4586d06
15656bda1a
hex40ce672a

1087268650 has 48 divisors (see below), whose sum is σ = 2272604544. Its totient is φ = 383993280.

The previous prime is 1087268641. The next prime is 1087268669. The reversal of 1087268650 is 568627801.

It is a junction number, because it is equal to n+sod(n) for n = 1087268597 and 1087268606.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21414 + ... + 51313.

It is an arithmetic number, because the mean of its divisors is an integer number (47345928).

Almost surely, 21087268650 is an apocalyptic number.

1087268650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1087268650 is an abundant number, since it is smaller than the sum of its proper divisors (1185335894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1087268650 is a wasteful number, since it uses less digits than its factorization.

1087268650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72775 (or 72770 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 1087268650 is about 32973.7569894606. The cubic root of 1087268650 is about 1028.2821303435.

The spelling of 1087268650 in words is "one billion, eighty-seven million, two hundred sixty-eight thousand, six hundred fifty".

Divisors: 1 2 5 10 13 23 25 26 46 50 65 115 130 230 299 325 575 598 650 1150 1495 2990 7475 14950 72727 145454 363635 727270 945451 1672721 1818175 1890902 3345442 3636350 4727255 8363605 9454510 16727210 21745373 23636275 41818025 43490746 47272550 83636050 108726865 217453730 543634325 1087268650